gilbert



2 Sheets-Sheet 1.

(No Model) J. B. GILBERT.

SHUTTLE THRBADING DEVICE.

No. 504,723K

Patented Sept-9,' 1884.

\ III 2 IJVVEJV'TOR.' y Harney/IS.

(No Model.) 2 Sheets-Sheet 2. J. B. GILBERT.

SHUTTLE TEEEADINE DEVICE. No. 304,723. Patented Sept. 9, 1884.

l. @t c l WITJV'ESSES plan:

"tierra rares 'Artnr FFCO SHUTTLE-THREADING DEVICE.

SPECi-CATO? forming part of Letters Patent No. 304,723, dated September9, 1884.

Application filed November 30, '1883. (No model.)

To a/ZZ whom it may concern:

Bc it known that I, 17B. GILBERT, of Actonville, in the county of Bagotand Dominion of Canada, have invented certain Improvements inShuttle-Threading Devices, of which the following is a specification.

My invention relates to mechanical devices for threading shuttles bysuction 5 and it consists in features and details hereinafter describedand claimed.

In the drawings hereto annexed, Figure l represents a perspective vi'ewof my improved device, partly broken awayrto show the interior, Fig. 2,a vertical longitudinal section of the same, Fig: 3, a cross-sectionthrough the upper part, showing the operation of threading; and Fig. 4,a view showing a modified plan of operating the device.

Hitherto two different plans have been commonly adopted for threadingshuttles of this class, the first being by means of a' bent wireinserted throughthe eye, and the second and probably more common planconsisting in the loom-operative placing the eye of the shuttle to hislips and inhaling air to produce a suction through the shuttle-eye,which causes the filling to pass through the eye. This latter plan,while simple and expeditious, is very injurious to the operativesbecause of the particles of lint, dust, and like foreign matters takeninto the lungs, and especially is this so in case the materials havebeen kept or stored in any place infected with disease, because of thegreat danger of transmission thereof in this way. To overcome theseobjections I provide means for artificially producing the requiredsuction, and also adapt it for instan-V taneous application to orconnection with the shuttle in a manner similar to that of applying theshuttle to the lips under the former Besides these two plans a third onehas been proposed, consisting in providing a mechanical suction deviceto take the place of the lips and lungs of the operators. My inventionrelates to this latter class of devices and apparatus, and is shown inthe drawings, wherein- A represents a suitable case or shell providedwith a suitable base and a head or top,

B, and with an internal horizontal diaphragm,

0, containing an upwardly-opening valve, D. To the under side ofthediaphragm is secured the upper end of a iiexible bag, E, of leather,rubber, or other suitable material impervious to air, which bag has atits lower end or bot tom a wooden bottom, F, perforated as indi cated inFiO. 2, and provided with a concave metal plate, G, extending across thebottom and to the sides thereof, where it is formed into tubularextensions c, which connect with the lower ends of vertical tubes H,thus establishing communication between the tubes and the interior ofthe bag, as Vwill be readily understood. At their upper ends the tubes Hsupport and carry a shelf, I, consisting of a horizontal ledge, b, and avertical back, c, the latter being formed .with a passage, d,coinmunicating with the tubes, as in Fig. 2, and having a mouth oropening, e, as shown in Figs. l and 3. This openingis surrounded by aiiexible mouthpiece, f, which is preferably made of rubber, but whichmay be conveniently made of leather, felt, or other flexible material.The mouth e is at such height from the ledge b as to cover the eye ofthe shuttle when the latter is laid thereon, and the back c is furnishednear each end with a guide-strip or rib, g, by which the shuttle may bequickly, easily, and with certainty placed in position to bring its eyedirectly opposite the opening e and Within the limits of the mouthpiecej'. The tubes H are furnished with laterally-projecting ears 71,perforated to slide upon guiderods J, which are encircled by spiralsprings K, resting at their lower ends upon the bottoni of the shell orcase A, and bearing at their upper ends beneath the ears h. Thesesprings serve to elevate the tubes, and with them the bottom F of thebag E, thereby keeping the bag normally in a state of collapse, thevalve D rising to permit the air to escape freely therefrom when thebottom is suddenly raised by the springs. lf now the shuttle, with itsfilled cap or bobbin in place, be laid upon the ledge b with its eye jwithin the mouth-piece f, the end of the weft lying over the eye of theshuttle on the inside thereof, the shuttle being pressed closely againstthe mouth-piece to prevent air from entering between them, and if thenthe shuttle and shelf be quickly pressed IOO downward, the bag E will beelongated and expanded, causing air to pass inward through the mouth oropening e, thence through passage d and tubes II, between the concaveplate G and bottom F, and through the opening in the latter to theinterior of the bag, to fill the partial vacuum produced by its suddenelongation or extension. The shuttle being pressed firmly against themouth-piece f, With its eye opposite the opening c, air can pass in onlythrough said eye, and as the eye is small and a considerable volume isrequired to supply t-he vacuum, it will flow through the eye withconsiderable force and velocity, carrying with it the light free endofthe yarn or filling in the same manner essentially as hashitherto beendone by the mouth and lungs.

The device, as shown in Figs. l and 2, isintended to be placed upon asuitable shelf or bracket attached to, or close to, the loom or likemachine; but it is obvious that the suction mechanism may be placed uponthe floor so as to be operated bythe foot, and a flexible tube, I',carried to the proper point and there furnished with a shelf, I, in allessential respects similar to the shelf I of Figs. l, 2, and 3, andprovided with a similar mouth-piece surrounding a mouth or opening withwhich the tube communicates, so that the device is practically the sameas that shown in Figs. l, 2, and 8, differing therefrom only in that theflexible tube I is interposed between the suc` tion device and the shelfor shuttle support.

Having thus described my invention, what I claim is- A shuttle-threadingdevice consisting of shelli A, provided with head or diaphragm C, havingupwardly-opening valve D, collapsible bag E, perforated bottom F,concave plate G,

rods Land springs K, substantially as described.

JEAN B. GILBERT.

YlVitnesses:

ANDRE C. GUiLnnRT, CHARLns LALIBERT.

tubes II, shelf I, provided with mouth c, guide- 4o

